Dual-band Single-Ended-Input Direct-Conversion DVB-H Receiver

A 340mW single-chip direct-conversion tuner with single-ended input for UHF and L-band DVB-H is fabricated in a 0.35mum BiCMOS process. Included are 3 parallel LNAs, 2 I/Q mixers, 7th-order baseband filters, a fractional-N synthesizer, and dc-offset circuits. The NF is <3.6dB at maximum gain of >80dB, sensitivity is <-88dBm for 16-QAM CR 2/3, gain range is >60dB, IIP3 is >4dBm, IIP2 is >27dBm, die area is 12.25mm
²
, and supply voltage is 2.7V